AUMA SQEx 05.2 Operation Instructions Manual page 22

Electrical connection
22
Figure 17: Connect cables to terminal carrier.
[1] Fitting control cables into spring clamp
terminals
6. Firmly tighten protective earth to PE connection (M6
WARNING! In case of fault: Hazardous voltage while protective earth con-
ductor is NOT connected!
Figure 18: Protective earth connections within connection frame
M4
M4
M6 Customer protective earth connection for M6 ring lug or with U-bracket for up to two wires.
M4 Internal protective earth connections via M4 ring lug (to cover and terminal carrier) connected in
the factory
Protective earth connection to terminal carrier (power terminals); connected in the factory.
[1]
[2] Tightening power terminals
).
M6
M6
[2]